Mercurial > hg > svcore
view data/fileio/SVFileReader.h @ 248:084ae1c213ee
* Add display of selection extents in status bar when dragging a selection
* Some build fixes after that i18n update
author | Chris Cannam |
---|---|
date | Wed, 07 Mar 2007 18:00:49 +0000 (2007-03-07) |
parents | 1a42221a1522 |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _SV_FILE_READER_H_ #define _SV_FILE_READER_H_ #include "layer/LayerFactory.h" #include "transform/Transform.h" #include <QXmlDefaultHandler> #include <map> class Pane; class Model; class Document; class PlayParameters; class SVFileReaderPaneCallback { public: virtual Pane *addPane() = 0; virtual void setWindowSize(int width, int height) = 0; virtual void addSelection(int start, int end) = 0; }; class SVFileReader : public QXmlDefaultHandler { public: SVFileReader(Document *document, SVFileReaderPaneCallback &callback); virtual ~SVFileReader(); void parse(const QString &xmlData); void parse(QXmlInputSource &source); bool isOK(); QString getErrorString() const { return m_errorString; } // For loading a single layer onto an existing pane void setCurrentPane(Pane *pane) { m_currentPane = pane; } virtual bool startElement(const QString &namespaceURI, const QString &localName, const QString &qName, const QXmlAttributes& atts); virtual bool characters(const QString &); virtual bool endElement(const QString &namespaceURI, const QString &localName, const QString &qName); bool error(const QXmlParseException &exception); bool fatalError(const QXmlParseException &exception); protected: bool readWindow(const QXmlAttributes &); bool readModel(const QXmlAttributes &); bool readView(const QXmlAttributes &); bool readLayer(const QXmlAttributes &); bool readDatasetStart(const QXmlAttributes &); bool addBinToDataset(const QXmlAttributes &); bool addPointToDataset(const QXmlAttributes &); bool addRowToDataset(const QXmlAttributes &); bool readRowData(const QString &); bool readDerivation(const QXmlAttributes &); bool readPlayParameters(const QXmlAttributes &); bool readPlugin(const QXmlAttributes &); bool readSelection(const QXmlAttributes &); void addUnaddedModels(); Document *m_document; SVFileReaderPaneCallback &m_paneCallback; Pane *m_currentPane; std::map<int, Layer *> m_layers; std::map<int, Model *> m_models; std::set<Model *> m_addedModels; std::map<int, int> m_awaitingDatasets; // map dataset id -> model id Model *m_currentDataset; Model *m_currentDerivedModel; PlayParameters *m_currentPlayParameters; QString m_currentTransform; int m_currentTransformChannel; QString m_currentTransformConfiguration; QString m_datasetSeparator; bool m_inRow; bool m_inView; bool m_inData; bool m_inSelections; int m_rowNumber; QString m_errorString; bool m_ok; }; #endif